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合肥羈押室吸(xi)(xi)聲體模塊_空間吸(xi)(xi)聲體價格

空(kong)(kong)間吸(xi)(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)(ti)(ti)(ti)由于(yu)所有界面(mian)均(jun)暴(bao)露在(zai)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)場（空(kong)(kong)間）中(zhong)，增加了(le)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)投(tou)射的(de)機率，從而(er)提(ti)(ti)高了(le)吸(xi)(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)功(gong)效。但(dan)吸(xi)(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)(ti)(ti)(ti)通常在(zai)低(di)頻(pin)(pin)段吸(xi)(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)性能較差，原因是在(zai)多(duo)孔性材(cai)(cai)料(liao)后面(mian)缺少空(kong)(kong)腔(qiang)。為了(le)提(ti)(ti)高吸(xi)(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)(ti)(ti)(ti)對低(di)頻(pin)(pin)的(de)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)吸(xi)(xi)(xi)(xi)(xi)收(shou)(shou)，目前常采取如下幾(ji)種措施(shi): （1）增加吸(xi)(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)(cai)料(liao)的(de)厚度和密(mi)度。例如采用半(ban)圓柱、球切(qie)面(mian)和球狀吸(xi)(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)(ti)(ti)(ti)，可(ke)(ke)對低(di)頻(pin)(pin)的(de)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)吸(xi)(xi)(xi)(xi)(xi)收(shou)(shou)。 （2把(ba)成(cheng)品吸(xi)(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)板材(cai)(cai)（通常厚度在(zai)15～25mm左右）做(zuo)成(cheng)中(zhong)空(kong)(kong)的(de)雙(shuang)(shuang)層(ceng)(ceng)板材(cai)(cai)吸(xi)(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)(ti)(ti)(ti)，或再把(ba)雙(shuang)(shuang)層(ceng)(ceng)板做(zuo)成(cheng)各種形狀的(de)吸(xi)(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)(ti)(ti)(ti)，如新疆(jiang)體(ti)(ti)(ti)(ti)(ti)育(yu)館(guan)、安徽合肥體(ti)(ti)(ti)(ti)(ti)育(yu)館(guan)等(deng)均(jun)采用這(zhe)種措施(shi)。 （3）增加多(duo)孔性材(cai)(cai)料(liao)的(de)厚度、在(zai)板材(cai)(cai)中(zhong)設(she)空(kong)(kong)腔(qiang)可(ke)(ke)對低(di)頻(pin)(pin)的(de)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)吸(xi)(xi)(xi)(xi)(xi)收(shou)(shou)，但(dan)與中(zhong)、高頻(pin)(pin)的(de)吸(xi)(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)量相(xiang)比仍有很大(da)差距(ju)。因此(ci)，當需(xu)要更大(da)幅(fu)度地(di)提(ti)(ti)高低(di)頻(pin)(pin)的(de)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)吸(xi)(xi)(xi)(xi)(xi)收(shou)(shou)，可(ke)(ke)與共振吸(xi)(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)結(jie)構(gou)相(xiang)結(jie)合，即(ji)在(zai)多(duo)孔性材(cai)(cai)料(liao)的(de)吸(xi)(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)(ti)(ti)(ti)內配(pei)置共振吸(xi)(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)結(jie)構(gou)。 關于(yu)提(ti)(ti)高空(kong)(kong)間吸(xi)(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)(ti)(ti)(ti)對低(di)頻(pin)(pin)的(de)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)吸(xi)(xi)(xi)(xi)(xi)收(shou)(shou)的(de)其(qi)他措施(shi)，還可(ke)(ke)采用雙(shuang)(shuang)層(ceng)(ceng)微穿孔結(jie)構(gou)、金屬粉末燒結(jie)結(jie)構(gou)與多(duo)孔性材(cai)(cai)料(liao)相(xiang)結(jie)合的(de)方法，但(dan)需(xu)考慮造(zao)價和荷載的(de)限值。吸(xi)(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)(ti)(ti)(ti) 空(kong)(kong)間吸(xi)(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)(ti)(ti)(ti) 體(ti)(ti)(ti)(ti)(ti)育(yu)館(guan)空(kong)(kong)間吸(xi)(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)(ti)(ti)(ti)廠家 吸(xi)(xi)(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)體(ti)(ti)(ti)(ti)(ti)價格

<合肥>凱音裝飾材料全體員工向關心和支持我們的各級領導和各界朋友表示誠摯的謝意! 在合肥防撞吸音板市場競爭日趨激烈的今天，<合肥>凱音裝飾材料勵精圖治，奮發自強，為振興民族合肥(fei)防撞吸音板和合肥經濟而奮斗不息， 公司經理攜全體員工恭候各地新老賓客光臨本合肥防(fang)撞吸(xi)音板生產企業，實地考察、指導工作、增進了解！